Elaine has $50 on her lunch card. Each day she spends $3 on lunch. Which table has a greater rate of change than the function that represents how much is left on Elaine’s lunch card?

x y
50 72
51 69
52 66

x y
25 9
26 8
27 7

x y
13 50
14 40
15 30

x y
7 21
8 12
9 3